Protective hair cap



FIG. 1 is a back view of a protective hair cap;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The stippling illustrates surface texture.

The vertical shading lines are for illustrative purpose only and form no part of the claimed design. 

I claim the ornamental design for a protective hair cap, as shown and described. 